Bluetooth V4.0 Waterproof +NFC Speaker+ 3600MAH Power Bank<br /><br />Waterproof・Dustproof・ Anti-scratch・ Shockproof・High temperature Resistant Speaker<br /><br />NFC Technology (Near Field Communication) for easy and instant pairing<br /><br />HiFi and clear loud sound output<br /><br />Built in microphone allows you to answer calls while listening to music<br /><br />IPX4 Grade Waterproof・ excellent for Outdoor Sport and exercise and Travel<br />Note:Do not soak in water! It only support water mist- proof!<br /> <br />English Voice Prompt function<br /><br />Specifications:<br /><br />Bluetooth Resolution:CSR 4.0<br />Water resistance:IPX4<br />Output Power:5Wx2<br />Frequency Response:20Hz~20kHz<br />Battery Li-ion:3.7V<br />Battery Capacity:3600mAh<br />Dimensions:66mm*66mm*170mm<br />Audio input:3.5mm Jack Cable and power connector<br />On/Off/Bluetooth switch<br />Power lndicator Light:Blue lights<br />Range:upto 10 metres open field<br /><br /><br />Package contents:<br />1* Portable Bluetooth Speaker<br />1* 3.5mm audio cable<br />1* Micro USB charging cable<br />1* Metal Hook Loop